org.springframework.security.access.hierarchicalroles

Interface RoleHierarchy

All Known Implementing Classes:

NullRoleHierarchy, RoleHierarchyImpl

public interface RoleHierarchy

The simple interface of a role hierarchy.

Author:

Michael Mayr

Method Summary

Modifier and Type	Method and Description
java.util.Collection<? extends GrantedAuthority>	getReachableGrantedAuthorities(java.util.Collection<? extends GrantedAuthority> authorities) Returns an array of all reachable authorities.

Method Detail

getReachableGrantedAuthorities

java.util.Collection<? extends GrantedAuthority> getReachableGrantedAuthorities(java.util.Collection<? extends GrantedAuthority> authorities)

Returns an array of all reachable authorities.

Reachable authorities are the directly assigned authorities plus all authorities that are (transitively) reachable from them in the role hierarchy.

Example:
Role hierarchy: ROLE_A > ROLE_B and ROLE_B > ROLE_C.
Directly assigned authority: ROLE_A.
Reachable authorities: ROLE_A, ROLE_B, ROLE_C.

Parameters:

authorities - - List of the directly assigned authorities.

Returns:

List of all reachable authorities given the assigned authorities.